This multifunctional 12/24V automotive circuit tester is designed to make electrical diagnostics simple, fast, and precise for cars and trucks. Equipped with a vibrant TFT color display, it offers clear readings of voltage, resistance, and continuity directly on the screen. Whether you’re a professional mechanic or a DIY enthusiast, this tool helps you quickly identify positive, negative, or open circuits without complicated setups.
Ideal for testing battery voltage, tracing short circuits, checking trailer lights, and activating components, this circuit tester works flawlessly within a wide voltage range from 0 to 70 volts. The built-in probe with a bright headlight lets you work easily even in dim environments or at night, while the red and green polarity indicators instantly show you the circuit status at a glance.
This tool stands out because it drastically reduces diagnostic time by letting you test and troubleshoot vehicle electrical systems with ease. You can instantly detect bad grounds, broken wires, and shorts without swapping clips or using jumper wires. The ability to activate components directly from the tester makes it perfect for pinpointing electrical problems on the spot.
Its compact size fits comfortably in your hand (about 6.5 inches long) and the durable ABS construction ensures long-lasting use. Whether you’re working in your garage or on the road, this tester offers the reliability and versatility you need to keep your vehicle’s electrical system in top shape.
Don’t waste time guessing or struggling with complicated tools. With this multifunctional car circuit tester, you get accurate readings, quick diagnosis, and smart features all in one handheld device. Take control of your vehicle’s electrical health and avoid costly repairs by catching problems early.
Get yours today and experience fast, reliable diagnostics wherever your vehicle takes you.
We’re glad to bring our customers great value and service. We provide fast shipping from our Fulfillment Center in California via UPS and USPS.
Currently, we deliver to the United States only.
When your parcel leaves our Fulfillment Center, you’ll receive an email with a tracking number to monitor delivery.
Yes. Enter your business address at checkout if that’s more convenient.
Yes, delivery to PO Boxes is available.
Yes, we ship to all U.S. territories and APO/FPO addresses.
Depending on the destination and package size, your parcel may be placed in your mailbox, on your porch, or left with a neighbor.
You can change or cancel your order within 12 hours of purchase. After an order ships, cancellation isn’t guaranteed. Please contact us as soon as possible.
Within 14 days of delivery, you may request:
*Adjust this SLA if your carrier times differ.
Full refunds are not available when:
All physical products include a 14-day money-back guarantee. Contact us and we’ll help with next steps.
Yes. Contact us to arrange the details.
Please contact us before sending a return. We’ll guide you through the process. Unauthorized returns may be refused.
Due to the nature of digital goods, all sales are final once the product is downloaded or accessed.
If you have any issues (file errors, access problems, missing content), please reach out via our contact form so we can resolve it quickly.
Exceptions (at our discretion)
To request a digital refund under these conditions, contact us within 3 days of purchase with your order number and a brief explanation.
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